{
 "cells": [
  {
   "cell_type": "markdown",
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   "source": [
    "# 第六次课作业"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（1）画出$y=x^{2}+2x+1$在区间[-5,3]的函数图像。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（2）在同一张图中创建两个子图，分别画出sinx和cosx在[-3.14,3.14]上的函数图像。设置线条宽度为2.5."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（3）读取上次作业保存的酒店数据，画出每个地区酒店数量的柱状图，柱状颜色为红色"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（4）画出每个价格等级酒店数量的柱状图。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（5）画出各个价格等级占比的饼图。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（6）画出酒店评分的直方图。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "（7）画出每个热门等级酒店评分均值的柱状图。（按照评分均值从小到大排序。）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
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